1917] Boeck: Protozoan Cysts in Mammalian Faeces 149 



life. All devices, therefore, which can assist iu the certain and rapid 

 detection of such carriers, not only of those under military conditions 

 but of all persons returning from regions of dysenteric infections, 

 have a preventive value, especially in view of the enhancement of the 

 risks of contagion due to the present conditions in Europe. 



LITERATURE CITED 



Cropper, J. W., aud Eow, R. W. H. 



1917. A method of coneeutrating Entamoeba cysts iu stools. Lancet, 192, 

 179-182. 

 Carter, H. F., and Matthews, J. R. 



1917. The value of concentrating cysts of the protozoal parasites in exam- 

 ining stools of dysenteric patients for pathogenic entamoebae. Ann. 

 of Trop. Med. and Parasitol., 11, 195-205. 

 DOBELL, C. C. 



1917. Reports upon investigations in the United Kingdom of dysentery 

 cases received from the Eastern Mediterranean. I. Amoebic dysen- 

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 Medical Research Committee, Special Report Series no. 4 (London, 

 H. M. Stationery Office), 85 pp. 

 Stitt, E. R. 



1911. Practical bacteriology, blood work and animal parasitology, ed. 2 

 (London, H. K. Lewis), xiii, .345 pp., 91 figs, in text. See pp. 

 299-304. 



